Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KAK callsign genealogy
Currently held by SMITH, ROBERT M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4KAK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4KAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KAK, oldest first.
- SMITH, ROBERT M KY1993-01-05 → cancelled 2005-01-06
- SHEPARD, ROGER D KY2026-07-25 active